The crippled Fukushima Daiichi nuclear power plant's No.4 reactor building is seen in Fukushima prefecture
The crippled Fukushima Daiichi nuclear power plant's No.4 reactor building is seen after the removal of debris on the upper side of the unit in Fukushima prefecture, in this handout picture taken on January 5, 2012. REUTERS/Tokyo Electric Power Co./Handout